Preston So, MD
NPI 1336940766 · Student in an Organized Health Care Education/Training Program · Springfield, MA
Preston So, MD is a Student in an Organized Health Care Education/Training Program provider in Springfield, MA (NPI 1336940766).
Provider details
- NPI number
- 1336940766
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-03-21
- Last updated
- 2026-03-24
- Certified
- 2026-03-24
Frequently asked questions
- What is Preston So's NPI number?
- Preston So's National Provider Identifier (NPI) is 1336940766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston So's specialty?
- Preston So is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Preston So located?
- Preston So's practice location on file with NPPES is 759 Chestnut St, Springfield, MA 01199-0001.
- What is Preston So's phone number?
- The practice phone number listed in the NPPES registry for Preston So is (413) 794-0000.
- Is Preston So's NPI active?
- Yes — Preston So's NPI (1336940766) is active in the NPPES registry as of the last update on 2026-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.